CN107355005A - The control method of integral jacking and the jacking steel platform locally jacked can be achieved - Google Patents
The control method of integral jacking and the jacking steel platform locally jacked can be achieved Download PDFInfo
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- CN107355005A CN107355005A CN201710574390.7A CN201710574390A CN107355005A CN 107355005 A CN107355005 A CN 107355005A CN 201710574390 A CN201710574390 A CN 201710574390A CN 107355005 A CN107355005 A CN 107355005A
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- Prior art keywords
- jacking
- hydraulic
- oil cylinder
- oil
- valve
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
Abstract
The invention discloses the control method of achievable integral jacking and the jacking steel platform locally jacked, first closes N number of main power switch, N number of control transformer frequency response switch and N number of control circuit switch；Pressed during startup and corresponding starting switch on the electromagnetic starter of above-mentioned control circuit switch connection, corresponding main contactor coil obtains electric adhesive, the normally opened auxiliary head closure self-locking of the main contactor, main contactor main contact closure, corresponding motor must be electrically activated and continuously run；Press during stopping and disconnected with the shutdown switch on the electromagnetic starter of above-mentioned control circuit switch connection, corresponding main contactor coil dead electricity, the disjunction of main contactor self-locking contact, the main contactor main contact disjunction, corresponding motor dead electricity shut down.This control method can carry out integral jacking and local jacking to steel platform, greatly improve the accurate control during its use, meet the steel platform jacking needs of diverse location, do not influence overall construction speed.
Description
Technical field
The present invention relates to a kind of control technology of skyscraper jacking, and in particular to a kind of achievable integral jacking and part
The control method of the jacking steel platform of jacking.
Background technology
Super High is often referred to more than 40 layers or highly more than 200 meters of building.And Super High typically uses tube structure
And steel construction.The entirety that current domestic construction of super highrise building generally builds work using Shanghai climbs steel platform formwork system with
The big backform formwork system of state's building.
The formwork system that current domestic construction of super highrise building generally uses climb control the shortcomings that be it is excessively integrated, can only
It is to carry out integral jacking simultaneously, because excessively integrated system must jack together, such as runs into any link in mould bases jacking and occur
Failure or duration hysteresis, it is necessary to further work can be carried out by stopping to handle well, and further lagging influence is caused to the duration,
And the control system of integrated form needs to use particular design, the system and part used is specific customization, high energy consumption and control
Recycling rate of waterused of the system processed in different building sites is extremely low.
The content of the invention
The technical problems to be solved by the invention are that the control of existing Super High steel platform can only carry out integral jacking, are caused
Significant limitation, the recycling rate of waterused of its high energy consumption and control system in different building sites is extremely low, and its object is to provide one kind
The control method of integral jacking and the jacking steel platform locally jacked can be achieved, this control method can carry out whole to steel platform
Body jacks and local jacking, greatly improves the accurate control during its use, meets the steel platform jacking needs of diverse location,
And overall construction speed is not influenceed.
The present invention is achieved through the following technical solutions：
The control method of integral jacking and the jacking steel platform locally jacked can be achieved, comprise the following steps：
(1) the jacking cell position and quantity of the workbench unit jacked as needed, hydraulic control corresponding to unlatching
Unit；
(2) first close N number of main power switch, it is N number of control transformer frequency response switch and N number of control circuit switch (N 1,2,
Natural number in 3 ...)；
(3) when starting, press and corresponding starting switch on the electromagnetic starter of above-mentioned control circuit switch connection so that
Corresponding main contactor coil obtains electric adhesive, so as to which the normally opened auxiliary head closure self-locking of the main contactor, main contactor main contact close
Close, then corresponding motor must be electrically activated and continuously run；
(4) pressed when stopping and the shutdown switch on the electromagnetic starter of above-mentioned control circuit switch connection so that corresponding
Main contactor coil dead electricity disconnect, so as to the main contactor the disjunction of self-locking contact, main contactor main contact disjunction, it is then right
The motor dead electricity answered shuts down.
The steel platform for the formwork system that current domestic construction of super highrise building generally uses all is integral steel platform, this steel
Platform is substantially the top surface for covering whole building, and accordingly, its control system jacked is also required to use particular design, uses
System and part are that the recycling rate of waterused of specific customization, high energy consumption and control system in different building sites is extremely low, and due to mistake
It must together be jacked in integrated system, such as run into any link failure or duration hysteresis in mould bases jacking, it is necessary to stop
Further work can be carried out by handling well, and further lagging influence is caused to the duration.Simultaneously for jacking when top lift and
Power, require very greatly, virtually increase cost again.With the progress of Super High construction technology, Integral Steel platform lacks
Fall into also more and more substantially, therefore it is intended to know start design and assembly formula steel platform, current control system and control method
Steel platform for steel platform to be split up into multiple block combiners formation, can not realize the demand locally jacked, for this feelings
Condition, this programme devise the control method of achievable integral jacking and the jacking steel platform locally jacked, this control method knot
Close control system, can better meet assembled steel platform jacking demand, its function of possessing integral jacking and locally jack,
It also can more meet the recycling of control system simultaneously, also more meet the requirement of green construction, preferably resolve jack-up system
Specific customization is needed, high energy consumption, cost are high, and the extremely low phenomenon of recycling rate of waterused in different building sites.
Platform Designing is used by independent hydraulic system into multiple units, each unit according to the structure chart of Core Walls Structure,
This hydraulic system is the modular system of construction market universal mature, is not required to particular design, passes through electric master control under normal circumstances
Realize that entirety jacks together under normal circumstances；Hysteresis is caused, it is necessary to part when encountering some node construction and going wrong
During jacking, multiple units can be according to the arbitrary combination of hysteresis position selection, processing hysteresis of being stopped to the unit for having lag issues
Problem, remaining element continue to jack unaffected, construction is continued according to flowing water, avoid the work holdup and duration hysteresis band
Carry out cascading effect.
In order to realize local jacking, it is necessary to which each platform unit in platform unit is correspondingly arranged into one group of hydraulic control
Unit, it can be realized when so jacking in place and accurately.
And corresponding to platform unit hydraulic control unit start after, the hydraulic system in each hydraulic control unit have with
Any one lower state：
(1), hydraulic system unloading condition：
In electric motor starting state, hand-operated direction valve is in middle " H " position, and electric motor starting drives operation of oil pump, hydraulic oil
Fuel tank is returned to through reversal valve centre position again into oil pump through oil filter, now system is in unloading condition；
(2), cylinder jacking state：
In electric motor starting state, hand-operated direction valve handle moves on to raise-position, and hydraulic oil enters the big chamber of oil cylinder through high-pressure rubber pipe,
Oil cylinder is promoted to rise, system pressure is set up by high-pressure overflow valve, and the small chamber hydraulic oil of oil cylinder is through low pressure pipe to balanced valve, balanced valve
Fluid is produced back pressure, oil cylinder is increased steady, fuel tank is returned to after hand-operated direction valve, the jacking speed and synchronism of oil cylinder are led to
Cross choke valve to be adjusted, general oil cylinder is four, and the oil cylinder of each unit is adjusted before dispatching from the factory；
(3), oil cylinder retracted state：
In electric motor starting state, hand-operated direction valve handle moves on to lower decrease, and hydraulic oil enters the small chamber of oil cylinder through low pressure hose
With hydraulic pressure lock control oil pocket, control oil pushes hydraulic lock open, and the big chamber fluid of oil cylinder returns to fuel tank through choke valve, hydraulic lock, makes oil cylinder
Withdraw, system pressure is set up by low pressure relief valve, and oil cylinder withdraws speed by throttle setting；
(4), shutdown or chance failure state：
(a) shutdown of on-load or cylinder jacking state or chance failure：The hydraulic lock being fixed on oil cylinder locks fluid
In the big chamber of oil cylinder so that oil cylinder is not subjected to displacement；
(b) zero load or oil cylinder retracted state shutdown：Small chamber fluid remains balanced valve setting pressure, makes to prop up under jacking
Seating portion deadweight will not pull out cylinder piston rod.
Above-mentioned several states are all hydraulic systems according to the state drawn during jacking, safety when ensureing to use
Property.
The present invention compared with prior art, has the following advantages and advantages：This control method can be put down to steel
Platform carries out integral jacking and local jacking, greatly improves the accurate control during its use, meets the steel platform of diverse location
Jacking needs, so as to not influence overall construction speed.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the hydra-electric control circuit figure of the present invention；
Fig. 2 is the hydra-electric control circuit figure of the present invention；
Fig. 3 is hydraulic work system schematic diagram；
Fig. 4 is cylinder structure schematic diagram；
Fig. 5 is Fig. 4 top view；
Fig. 6 is cylinder efficient schematic diagram.
Mark and corresponding parts title in accompanying drawing：
1- starting switches, 2- hand-operated direction valves, 3- motors, 4- hydraulic locks, 5- combination valves, 6- pressure gauges, 7- fuel tanks, 8- sections
Flow valve, 9- oil pumps, 10- safety valves, 11- high-pressure overflow valves, 12- manual ball valves.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1：
As shown in Figure 1 to Figure 3, the control method of integral jacking and the jacking steel platform locally jacked, platform list can be achieved
Each platform unit is correspondingly arranged one group of hydraulic control unit in member.
This programme is by taking six Super Highs for jacking unit as an example, when needing the jacking of any one unit (with first module
Exemplified by)：
(1) main power switch 1QF1, control transformer frequency response switch TS1Di and control circuit switch 1QF2 are first closed；
(2) when starting, the starting switch 1SB on the electromagnetic starter related to above-mentioned control circuit is pressed1, make 1KM1
Main contactor coil obtains electric adhesive and drives the normally opened auxiliary head closure self-locking of 1KM1 main contactors, 1KM1 main contactor main contacts
It is closed at, motor M1 must be electrically activated and continuously run；
(3) the shutdown switch 1SB on the electromagnetic starter related to above-mentioned control circuit is pressed when stopping2So that 1KM1
Main contactor coil dead electricity disconnects, so as to drive the disjunction of 1KM1 main contactor self-locking contacts, 1KM1 main contactor main contact disjunctions,
Motor M1 dead electricity shuts down.
As shown in Figures 4 to 6, the hydraulic system structure of each unit is identical, and each hydraulic system includes fuel tank 7,
The top of fuel tank 7 is provided with motor 3, hand-operated direction valve 2, combination valve 5 and pressure gauge 6, starting switch 1 is provided with motor 3, in liquid
In pressure system, motor 3 is connected with oil pump 9, and oil pump 9 is sequentially connected safety valve 10, high-pressure overflow valve 11, hand-operated direction valve 2 and group
Valve 5 is closed, is then connected respectively with being sequentially connected after manual ball valve 12, choke valve 8 and hydraulic lock 4 with jacking cylinder again.
After hydraulic control unit corresponding to platform unit starts, the hydraulic system in each hydraulic control unit has following
Anticipate a kind of state：
(1), hydraulic system unloading condition：
In the starting state of motor 3, hand-operated direction valve 2 is in middle " H " position, and motor 3, which starts, drives oil pump 9 to work, liquid
Force feed returns to fuel tank through reversal valve centre position again through oil filter into oil pump, and now system is in unloading condition；
(2), cylinder jacking state：
In the starting state of motor 3, the handle of hand-operated direction valve 2 moves on to raise-position, and hydraulic oil is big into oil cylinder through high-pressure rubber pipe
Chamber, promote oil cylinder to rise, system pressure set up by high-pressure overflow valve 11, the small chamber hydraulic oil of oil cylinder through low pressure pipe to balanced valve,
Balanced valve makes fluid produce back pressure, oil cylinder is increased steady, and fuel tank 7, the jacking speed of four oil cylinders are returned to after hand-operated direction valve
Degree and synchronism are adjusted by choke valve 8, and the oil cylinder of each unit is adjusted before dispatching from the factory；
(3), oil cylinder retracted state：
In the starting state of motor 3, the handle of hand-operated direction valve 2 moves on to lower decrease, and hydraulic oil is small into oil cylinder through low pressure hose
Chamber and hydraulic pressure lock control oil pocket, control oil push hydraulic lock open, and the big chamber fluid of oil cylinder returns to fuel tank 7 through choke valve 8, hydraulic lock 4, made
Oil cylinder is withdrawn, and system pressure is set up by low pressure relief valve, and oil cylinder withdraws speed and set up by choke valve 8；
(4), shutdown or chance failure state, it with load according to whether be divided into two kinds of situations：
(a) on-load state, i.e. oil cylinder are in shutdown or the chance failure of jacking state：The hydraulic lock being fixed on oil cylinder
Fluid is locked in the big chamber of oil cylinder by 4, ensures that oil cylinder is not subjected to displacement, and ensures the safety of support body at the time of emergency；
(b) no load condition, i.e. oil cylinder are in the shutdown of retracted state：Small chamber fluid remains balanced valve setting pressure,
The deadweight of jacking undersetting part is set not pull out cylinder piston rod.
Embodiment 2：
As shown in Figures 1 to 4, this programme jacks simultaneously by taking six Super Highs for jacking unit as an example needing Unit six
When：
(1) main power switch 1QF1,2QF1,3QF1,4QF1,5QF1,6QF1, control transformer frequency response switch are first closed
TS1Di and control circuit switch 1QF2,2QF2,3QF2,4QF2,5QF2,6QF2；
(2) when starting, switch 1QF2,2QF2,3QF2,4QF2,5QF2, the 6QF2 related in above-mentioned control circuit are pressed
Starting switch 1SB on corresponding electromagnetic starter1、2SB1、3SB1、4SB1、5SB1、6SB1So that 1KM1,2KM1,3KM1,
4KM1,5KM1,6KM1 main contactor coil obtain electric adhesive, so as to drive 1KM1,2KM1,3KM1,4KM1,5KM1,6KM1 master to connect
The normally opened auxiliary head closure self-locking of tentaculum, 1KM1,2KM1,3KM1,4KM1,5KM1,6KM1 main contactor main contact closure, motor
M1, M2, M3, M4, M5, M6 must be electrically activated and continuously run；
(3) switch 1QF2,2QF2,3QF2,4QF2,5QF2, the 6QF2 related in above-mentioned control circuit are pressed when stopping
Shutdown switch 1SB on the electromagnetic starter of connection2、2SB2、3SB2、4SB2、5SB2、6SB2So that 1KM1,2KM1,3KM1,
4KM1,5KM1,6KM1 main contactor coil dead electricity disconnect, so that 1KM1,2KM1,3KM1,4KM1,5KM1,6KM1 master connect
The disjunction of tentaculum self-locking contact, 1KM1,2KM1,3KM1,4KM1,5KM1,6KM1 main contactor main contact disjunction, motor M1, M2,
M3, M4, M5, M6 dead electricity shut down.
The same unit of Hydraulic System Principle, it is synchronous by six hydraulic controlled operation personnel in the operating position of six hydraulic control units
Operation carries out lifting operation.When accident or failure occur for the oil cylinder or system of any cell, the unit can be stopped immediately
Operation, remaining element can continue unaffected completion jacking operation；Because the hydraulic system and oil cylinder of each unit can be with complete
It is complete to exchange, can with close on completed system or oil cylinder changed after complete lifting operation, the influence to the duration is preferably minimized.
In the present embodiment, the state of the hydraulic system in hydraulic control unit is consistent with the state mentioned in embodiment 1
Close.
Embodiment 3：
As shown in Figures 1 to 4, this programme is by taking six Super Highs for jacking unit as an example, when needing three unit jackings
(so that first module, second unit and third unit jack simultaneously as an example)：
(1) main power switch 1QF1,2QF1,3QF1, control transformer frequency response switch TS1Di and control circuit is first closed to open
Close 1QF2,2QF2,3QF2；
(2) when starting, the electromagnetic starter of switch 1QF2,2QF2,3QF2 connection related to above-mentioned control circuit is pressed
On starting switch 1SB1、2SB1、3SB1So that 1KM1,2KM1,3KM1 main contactor coil obtain electric adhesive, so as to drive
The normally opened auxiliary head closure self-locking of 1KM1,2KM1,3KM1 main contactor, 1KM1,2KM1,3KM1 main contactor main contact closure, electricity
Motivation M1, M2, M3 must be electrically activated and continuously run；
(3) on the electromagnetic starter that switch 1QF2,2QF2,3QF2 connection related to above-mentioned control circuit is pressed when stopping
Shutdown switch 1SB2、2SB2、3SB2So that 1KM1,2KM1,3KM1 main contactor coil dead electricity disconnect, so as to drive 1KM1,
The disjunction of 2KM1,3KM1 main contactor self-locking contact, 1KM1,2KM1,3KM1 main contactor main contact disjunction, motor M1, M2, M3
Dead electricity shuts down.
The same unit of Hydraulic System Principle, it is synchronous by three hydraulic controlled operation personnel in the operating position of three hydraulic control units
Operation carries out lifting operation.When running into other situations：Need any two units, four units or five unit synchronizations of jacking up
When, its progress similar with the present embodiment operation.
In the present embodiment, the state of the hydraulic system in hydraulic control unit is consistent with the state mentioned in embodiment 1
Close.
The present invention, which preferably resolves jack-up system, needs specific customization, high energy consumption, the problem of cost is high.Due to each list
Member uses independent hydraulic system and for the modular system of construction market universal mature, without specific customization, when a project
Construction finishes, and each unit has independent hydraulic pressure and electric-control system, and each unit and can meets corresponding common skyscraper
The needs of construction, substantially increase the utilization rate of control and hydraulic jacking system.Chance failure is run into during lifting operation
Situation, because the system and oil cylinder of use can exchange completion lifting operation completely, the duration will not be caused to significantly affect.Due to
Jack-up system is evenly arranged in each unit, is reduced the load of structure and is made platform structure reasonable stress, bearing capacity more
Greatly.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (4)
1. the control method of integral jacking and the jacking steel platform locally jacked can be realized, it is characterised in that comprise the following steps：
(1) the jacking cell position and quantity of the workbench unit jacked as needed, hydraulic control unit corresponding to unlatching；
(2) first close N number of main power switch, it is N number of control transformer frequency response switch and N number of control circuit switch (N 1,2,
Natural number in 3 ...)；
(3) when starting, press and corresponding starting switch on the electromagnetic starter of above-mentioned control circuit switch connection so that corresponding
Main contactor coil obtain electric adhesive, so as to the self-locking of the main contactor normally opened auxiliary head closure, main contactor main contact closure, so
Corresponding motor must be electrically activated and continuously run afterwards；
(4) pressed when stopping and the shutdown switch on the electromagnetic starter of above-mentioned control circuit switch connection so that corresponding master
Contactor coil dead electricity disconnects, then corresponding so as to the disjunction of self-locking contact, the main contactor main contact disjunction of the main contactor
Motor dead electricity shuts down.
2. the control method of achievable integral jacking according to claim 1 and the jacking steel platform locally jacked, it is special
Sign is, after hydraulic control unit corresponding to the platform unit starts, the hydraulic system in each hydraulic control unit have with
Any one lower state：
(1), hydraulic system unloading condition：
In motor (3) starting state, hand-operated direction valve (2) is in middle " H " position, and motor (3), which starts, drives oil pump (9) work
Make, hydraulic oil returns to fuel tank through reversal valve centre position again through oil filter into oil pump, and now system is in unloading condition；
(2), cylinder jacking state：
In motor (3) starting state, hand-operated direction valve (2) handle moves on to raise-position, and hydraulic oil is big into oil cylinder through high-pressure rubber pipe
Chamber, oil cylinder is promoted to rise, system pressure is set up by high-pressure overflow valve (11), and the small chamber hydraulic oil of oil cylinder is through low pressure pipe to balance
Valve, balanced valve make fluid produce back pressure, oil cylinder is increased steady, fuel tank (7) is returned to after hand-operated direction valve；
(3), oil cylinder retracted state：
In motor (3) starting state, hand-operated direction valve (2) handle moves on to lower decrease, and hydraulic oil is small into oil cylinder through low pressure hose
Chamber and hydraulic pressure lock control oil pocket, control oil push hydraulic lock open, and the big chamber fluid of oil cylinder returns to oil through choke valve (8), hydraulic lock (4)
Case, withdraw oil cylinder, system pressure is set up by low pressure relief valve, and oil cylinder withdraws speed and set up by choke valve (8)；
(4), shutdown or chance failure state：
(a) shutdown of on-load or cylinder jacking state or chance failure：Fluid is locked in by the hydraulic lock (4) being fixed on oil cylinder
The big chamber of oil cylinder so that oil cylinder is not subjected to displacement；
(b) zero load or oil cylinder retracted state shutdown：Small chamber fluid remains balanced valve setting pressure, makes jacking undersetting portion
Deadweight is divided not pull out cylinder piston rod.
3. the control method of achievable integral jacking according to claim 2 and the jacking steel platform locally jacked, it is special
Sign is that the jacking speed and synchronism of the oil cylinder are adjusted by choke valve (8).
4. achievable integral jacking as claimed in any of claims 1 to 3 and the jacking steel platform that locally jacks
Control method, it is characterised in that each platform unit is correspondingly arranged one group of hydraulic control unit in the platform unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574390.7A CN107355005B (en) | 2017-07-14 | 2017-07-14 | The control method of integral jacking and the jacking steel platform locally jacked can be achieved |
| PCT/CN2018/095590 WO2019011318A1 (en) | 2017-07-14 | 2018-07-13 | Control method for steel jacking platform capable of achieving overall jacking and partial jacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574390.7A CN107355005B (en) | 2017-07-14 | 2017-07-14 | The control method of integral jacking and the jacking steel platform locally jacked can be achieved |
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| Publication Number | Publication Date |
|---|---|
| CN107355005A true CN107355005A (en) | 2017-11-17 |
| CN107355005B CN107355005B (en) | 2019-03-26 |
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| CN201710574390.7A Active CN107355005B (en) | 2017-07-14 | 2017-07-14 | The control method of integral jacking and the jacking steel platform locally jacked can be achieved |
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| Country | Link |
|---|---|
| CN (1) | CN107355005B (en) |
| WO (1) | WO2019011318A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019011318A1 (en) * | 2017-07-14 | 2019-01-17 | 四川华西集团有限公司 | Control method for steel jacking platform capable of achieving overall jacking and partial jacking |
| CN111255776A (en) * | 2020-05-07 | 2020-06-09 | 上海建工集团股份有限公司 | Hydraulic control system and method for whole steel platform formwork of super high-rise building |
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| WO2019011318A1 (en) * | 2017-07-14 | 2019-01-17 | 四川华西集团有限公司 | Control method for steel jacking platform capable of achieving overall jacking and partial jacking |
| CN111255776A (en) * | 2020-05-07 | 2020-06-09 | 上海建工集团股份有限公司 | Hydraulic control system and method for whole steel platform formwork of super high-rise building |
| CN111255776B (en) * | 2020-05-07 | 2020-07-17 | 上海建工集团股份有限公司 | Hydraulic control system and method for whole steel platform formwork of super high-rise building |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019011318A1 (en) | 2019-01-17 |
| CN107355005B (en) | 2019-03-26 |
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